linux-kernel - Re: [PATCH 2/3] kbuild: rust: apply `CONFIG

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Message-ID: <CANiq72mzTaKYJqNcv1qT3nXEbh_t7CwaAqxCuYNcx9eHOZf7wQ@mail.gmail.com>
Date: Wed, 22 May 2024 12:52:09 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: Miguel Ojeda <ojeda@...nel.org>, Wedson Almeida Filho <wedsonaf@...il.com>, 
	Alex Gaynor <alex.gaynor@...il.com>, Nathan Chancellor <nathan@...nel.org>, 
	Nicolas Schier <nicolas@...sle.eu>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...sung.com>, 
	Alice Ryhl <aliceryhl@...gle.com>, linux-kbuild@...r.kernel.org, 
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
	patches@...ts.linux.dev
Subject: Re: [PATCH 2/3] kbuild: rust: apply `CONFIG_WERROR` to all Rust targets

On Wed, May 22, 2024 at 12:14 PM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> What does "everything else" mean exactly?

Everything but the host programs. Or as many targets as possible, if
you think there are other cases that we should avoid.

> Why is the .config required for generating documentation?

`rustdoc` sees the code in a similar way as the compiler (it uses
parts of the compiler); in particular, it processes conditional
compilation like the compiler. So we need a given configuration to
generate it.

Cheers,
Miguel